HP ProLiant BL420c HP ProLiant BL420c Gen8 Server Blade Maintenance and Servic - Page 44

System battery

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Page 44 highlights

2. Remove the server blade (on page 24). 3. Remove the access panel ("Access panel" on page 25). 4. Remove all hard drives ("Drive" on page 26). 5. Remove all hard drive blanks ("Drive blank" on page 26). 6. Remove the SAS controller ("SAS controller" on page 28). CAUTION: Always remove the SAS controller before removing the front panel/drive cage assembly. 7. Extend the serial label pull tab from the front of the server blade. 8. Remove the two T-15 screws from the front panel/drive cage assembly. 9. Remove the front panel/drive cage assembly. To replace the component, reverse the removal procedure. System battery If the server blade no longer automatically displays the correct date and time, you may need to replace the battery that provides power to the real-time clock. Under normal use, battery life is 5 to 10 years. WARNING: The computer contains an internal lithium manganese dioxide, a vanadium pentoxide, or an alkaline battery pack. A risk of fire and burns exists if the battery pack is not properly handled. To reduce the risk of personal injury: • Do not attempt to recharge the battery. • Do not expose the battery to temperatures higher than 60°C (140°F). • Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water. • Replace only with the spare designated for this product. To remove the component: 1. Power down the server blade (on page 23). 2. Remove the server blade (on page 24). 3. Access the internal server components. Removal and replacement procedures 44

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Removal and replacement procedures
44
2.
Remove the server blade (on page
24
).
3.
Remove the access panel ("
Access panel
" on page
25
).
4.
Remove all hard drives ("
Drive
" on page
26
).
5.
Remove all hard drive blanks ("
Drive blank
" on page
26
).
6.
Remove the SAS controller ("
SAS controller
" on page
28
).
CAUTION:
Always remove the SAS controller before removing the front panel/drive cage
assembly.
7.
Extend the serial label pull tab from the front of the server blade.
8.
Remove the two T-15 screws from the front panel/drive cage assembly.
9.
Remove the front panel/drive cage assembly.
To replace the component, reverse the removal procedure.
System battery
If the server blade no longer automatically displays the correct date and time, you may need to replace the
battery that provides power to the real-time clock. Under normal use, battery life is 5 to 10 years.
WARNING:
The computer contains an internal lithium manganese dioxide, a vanadium
pentoxide, or an alkaline battery pack. A risk of fire and burns exists if the battery pack is not
properly handled. To reduce the risk of personal injury:
•
Do not attempt to recharge the battery.
•
Do not expose the battery to temperatures higher than 60°C (140°F).
•
Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
•
Replace only with the spare designated for this product.
To remove the component:
1.
Power down the server blade (on page
23
).
2.
Remove the server blade (on page
24
).
3.
Access the internal server components.